ASN Wikibase Occurrence # 359056
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| Date: | Tuesday 2 May 1995 |
| Time: | 18:27 LT |
| Type: | Franklin EAA BI-PLANE/P1 |
| Owner/operator: | Private |
| Registration: | N3428 |
| MSN: | 24610 |
| Engine model: | LYCOMING O-235-C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Rockville, IN -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (7I8) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT REPORTED IN HIS WRITTEN STATEMENT THAT HE WAS CONDUCTING AN ENGINE RUNUP BECAUSE THE ENGINE WOULD NOT DEVELOP FULL POWER. HE DECIDED TO TAXI DOWN THE RUNWAY WITH NO INTENTION OF TAKING OFF, BUT INADVERTENTLY BECAME AIRBORNE. SHORTLY AFTER THE UNINTENTIONAL TAKEOFF, THE ENGINE LOST PARTIAL POWER, TURNED TO THE RIGHT AND IMPACTED TERRAIN. POST-ACCIDENT EXAMINATION OF THE ENGINE REVEALED EVIDENCE OF HEAT DAMAGE AND ABNORMAL PISTON RING WEAR. THERE WERE SCRAPE MARKINGS ON THE PISTON, PISTON RINGS, AND CYLINDER WALL. THE PILOT STATED THAT HE PERFORMED THE CYLINDER AND RING CHANGE AND WAS NOT AWARE THAT THE CYLINDER AND RING COMBINATION WERE NOT COMPATIBLE.
Probable Cause: the pilot's improper maintenance installation and his inadvertent takeoff. A factor was the pilot's inadequate pre-flight planning.
Accident investigation:
 |
|
Sources:
NTSB CHI95LA145
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 06:32 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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